GMC SONOMA

I Have A Gmc Sonoma 1991 4x2 4.3l, V6. I Changed The Engine Few Years Ago, But "new" Engine Has 120000 Miles Already. Is Working Fine, I...

Transmission Problem 1991 Gmc Sonoma 6 Cyl Two Wheel Drive Automatic I Have A 91 Sonoma It Has Been Sitting For A While And We Just...

Engine Performance Problem 2003 Gmc Sonoma 4 Cyl Two Wheel Drive Manual Jerks At Different Speeds, Let Off Gas Clears Up, Changed...

I Changed The Battery And The Alternator, Now There Is Nothing At All Happening On The Dash Or When I Try To Start The Truck. Battery Is...

I'm Almost Embarrassed To Ask This Question. I Went Out And Bought 5 Quarts Of Oil And A New Oil Filter, Climbed Under The Truck To Change...

Engine Mechanical Problem 1994 Gmc Sonoma 4 Cyl Manual What Is The Firing Order For A Gmc Sonoma 1994 4 Cyl?

My Service Engine Light Is On, And Has Several Codes. The Brake Light Flashes Intermittently, And Once In A Great While, All Of The...

Fuel Pressure Is Around 50-55 With Key On Engine Off. Spark Is Good. Recent Tune Up. Fuel Filter Is Clear. No Water Or Other In Fuel....

Please List Possible Causes For Trouble Code #p0304

What Schould I Do Next? Updated 11/18/09 I Did Flush Out The Heater Core And That Did It. Thank You So Much. I Fix The Sr. Cars Around...